/**
 * #      782
 * 名称   变为棋盘
 * 链接   https://leetcode-cn.com/problems/transform-to-chessboard
 * 题解   [26](https://leetcode-cn.com/problems/transform-to-chessboard/solution)
 * 通过率 41.0%
 * 难道   困难
 */

